Copper & Aluminum Wire
in the process of enameled wire coating, it is necessary to pay attention to the detailed adjustment and optimization of the coating process to ensure the quality and service life of the enameled wire.
The armature winding consists of a certain number of armature coils connected according to a certain law, he is the circuit part of the DC motor, but also the induction of electric potential, electromagnetic torque for electromechanical energy conversion part.
Wave winding is characterized by two connected single-turn coils into a wave shape forward, and stacked winding, they are in the shape of the coil ends and the order of connection between the coils is different.
The life and operational reliability of the motor depends mainly on the manufacturing quality of the windings and the effects of electromagnetic action, mechanical vibration and environmental factors during operation.
“In order to control the asynchronous motor noise, in addition to selecting the appropriate stator-rotor slot fit in the design, a sloping slot can be used to reduce the electromagnetic noise of the motor.
For motor products, its efficiency value will be analyzed and calculated in accordance with the standard type test data, in the motor factory test, each motor manufacturer has its own judgment standards, according to the motor type test results to determine the motor’s no-load current and no-load loss floating range, and qualitatively determine whether the motor’s efficiency index is in line with the requirements.
When a short-circuit in the winding occurs, the method should be screened according to the actual situation and the corresponding measures should be taken to deal with it.
After drying the winding dipping paint, do not use the wire brush to remove the paint film in the inner cavity of the iron core.
In the main circuit of the motor there is a thermal relay (overload protection), when the motor overload, thermal relay action, normally closed contacts cut off the control circuit, normally open contacts closed to connect the indicator, overload excluded, the thermal relay contacts there are two reset to make the circuit restart work: manual reset – need to press the reset button;
As a result of the short-circuit turns generated within the loop current, so that the coil heats up quickly, further damage to the insulation of neighboring wires, so that the number of turns of the short-circuit is increasing, the failure to expand.
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